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D( x )
x = 0
x^2 = 0
x = 0
x = 0
x^2 = 0
x^2 = 0
1*x^2 = 0 // : 1
x^2 = 0
x = 0
x in (-oo:0) U (0:+oo)
2/x-((5*x)/(x^2))-1024-32 = 5/x+32 // - 5/x+32
2/x-((5*x)/(x^2))-(5/x)-1024-32-32 = 0
2/x-5*x^-1-5*x^-1-1024-32-32 = 0
-8*x^-1 = 1088 // : -8
x^-1 = -136
-1 < 0
1/(x^1) = -136 // * x^1
1 = -136*x^1 // : -136
-1/136 = x^1
x = -1/136
x = -1/136
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